科学家不是给出正确答案的人,而是提出正确问题的人。
在它们永远闭上之前,睁开眼睛,看看你能看到什么。
真相很少是纯粹的,也从不简单。
The people who get on in this world are the people who get up and look for circumstances they want, and if they cannot find them, make them.
我们都在阴沟里,但仍有人仰望星空。
Coal mining is a partnership between the earth and human ingenuity.